Sensations, [338]-[349].
Classes of, [339].
Production of, [338], [349].
Purposes of, [340].
Special, [340].
Sensations (continued).
Steps in production of, [341].
Sensation stimuli, [339].
Sense organs, simple forms of, [341], [342]
Serous membrane, [264].
Serum albumin, [30].
Serum globulin, [30].
Shortsightedness, [384].
Shoulder girdle, [226].